Home / 5,511.16-7,601.70-3,416.32

Finding the Fourth Proportional to 5,511.16, 7,601.70 and 3,416.32

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Solution

The fourth proportional to 5,511.16, 7,601.70 and 3,416.32 is: 4,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.16 : 7,601.70 = 3,416.32 : x
  2. Step 2: Convert to fraction form
    5,511.16/7,601.70 = 3,416.32/x
  3. Step 3: Cross multiply
    5,511.16x = 7,601.70 × 3,416.32
  4. Step 4: Simplify right side
    5,511.16x = 25,969,839.74
  5. Step 5: Solve for x
    x = 25,969,839.74/5,511.16
  6. Step 6: Final answer
    x = 4,712.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.